Some gauges not working
Thread Starter
Junior Member
Joined: Jun 2010
Posts: 32
Likes: 0
From: North Jersey
Car: 84 Z28 H.O
Engine: L69 305
Transmission: BW T5
Axle/Gears: 3.73
Some gauges not working
So I did a search and didn’t find exactly what I’m looking for. The tach, fuel and voltmeter gauge aren’t working, tack stays at 3500 all the time. Is there a spot where these tie in together? It’s an 84 Z28. Thanks
Supreme Member




Joined: Jan 2000
Posts: 3,178
Likes: 48
From: Tracy, CA
Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Re: Some gauges not working
The individual gauges plug into the carrier. The carrier plugs into the instrument panel.
1. Do the Brake and SES lights work? No? Check the Gauge fuse.
2. If the Brake and SES lights work (and assuming no one has done a hack job someplace), you likely have an issue with the printed circuit that's attached to the back of the carrier or where the printed circuit plugs into the instrument panel.
There are two places where the panel plugs into the instrument panel:

1. Do the Brake and SES lights work? No? Check the Gauge fuse.
2. If the Brake and SES lights work (and assuming no one has done a hack job someplace), you likely have an issue with the printed circuit that's attached to the back of the carrier or where the printed circuit plugs into the instrument panel.
There are two places where the panel plugs into the instrument panel:

Last edited by paulo57509; May 22, 2020 at 08:24 PM.
Thread Starter
Junior Member
Joined: Jun 2010
Posts: 32
Likes: 0
From: North Jersey
Car: 84 Z28 H.O
Engine: L69 305
Transmission: BW T5
Axle/Gears: 3.73
Re: Some gauges not working
The individual gauges plug into the carrier. The carrier plugs into the instrument panel.
1. Do the Brake and SES lights work? No? Check the Gauge fuse.
2. If the Brake and SES lights work (and assuming no one has done a hack job someplace), you likely have an issue with the printed circuit that's attached to the back of the carrier or where the printed circuit plugs into the instrument panel.
There are two places where the panel plugs into the instrument panel:


1. Do the Brake and SES lights work? No? Check the Gauge fuse.
2. If the Brake and SES lights work (and assuming no one has done a hack job someplace), you likely have an issue with the printed circuit that's attached to the back of the carrier or where the printed circuit plugs into the instrument panel.
There are two places where the panel plugs into the instrument panel:


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